128490292

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 264499200

約数和(自身を除く): 136008908

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 163, 188, 326, 329, 599, 652, 658, 1141, 1198, 1316, 2282, 2396, 4193, 4564, 7661, 8386, 15322, 16772, 28153, 30644, 53627, 56306, 97637, 107254, 112612, 195274, 197071, 214508, 390548, 394142, 683459, 788284, 1366918, 2733836, 4588939, 9177878, 18355756, 32122573, 64245146, 128490292]

約数ペア:

[(1, 128490292), (2, 64245146), (4, 32122573), (7, 18355756), (14, 9177878), (28, 4588939), (47, 2733836), (94, 1366918), (163, 788284), (188, 683459), (326, 394142), (329, 390548), (599, 214508), (652, 197071), (658, 195274), (1141, 112612), (1198, 107254), (1316, 97637), (2282, 56306), (2396, 53627), (4193, 30644), (4564, 28153), (7661, 16772), (8386, 15322)]